11-STABLE and 12-STABLE build failures

[Don Lewis]

On 25 Jul, Don Lewis wrote:
> On 25 Jul, Warner Losh wrote:
>> Liby.a was retired. Maybe there is some dangling references?
> 
> # grep yydebug *
> localedef.c:	yydebug = 0;
> localedef.h:extern int yydebug;
> 
> I see the same in the 13-CURRENT source and it builds successfully.

If I diff the two source trees, I see that the 13-CURRENT references are
guarded by #if YYDEBUG.